Keyword Recirculating Chiller Ultra-low Temp Chillers SUNDI series TES series Products

LN (-60℃ ~ -10℃)
LN (-60℃ ~ -10℃)
LN (-60℃ ~ -10℃)
LN (-60℃ ~ -10℃)
LN (-60℃ ~ -10℃)

Refrigeration Unit LN series

  • Temperature Range-60℃ ~ -10℃
  • Circulation Pump Info6.6m³/h~50m³/h
  • Cold Storage tank200L~4000L
  • Cooling Capacity AT -40℃12kW ~ 360kW
  • Power max 380V50HZ14kW ~ 300KW
  • Place of OriginChina
  • Quality Guarantee Period12 months

Product Details


The basic principle of Ultra-Low Temp. Water-Cooled Chiller is that under ultra-low temperature, the movement of molecules is slowed down until the surface of the trapped and frozen cryogenic coiled tubes is slowed down, and the vapor is easy to be arrested, set and frozen, and the capture rate is high.

LNEYA specializes in the production of single-fluid cryogenic chillers. The refrigeration temperature ranges from -150°C to -5°C, which can meet the needs of different refrigeration temperatures. Products are widely used in chemical, pharmaceutical, biochemical and other industries in the field of low temperature reaction, refrigeration speed, safety and reliability. The company developed a direct-cooled ultra-low temperature chiller, using international brand compressors Carrier, using automatic cascade refrigeration mode and mixed refrigerants, within 3 minutes can be refrigerated to minus 120°C.


1.Temperature ranges from -5℃ ~ -150℃, can meet different temperature
2. Famous brand semi-closed piston compressor, semi-closed bipolar piston compressor, semi-hermetic screw compressor, main brand are BOCK. Bitzer, Copeland, Handbell, fusheng; Plate heat exchanger, Small volume, High efficiency
3. Top imported cold controller; Generator cooling water circuit uses intermediate heat exchanger, improve system reliability and safety.
4. DANFOSS electronic expansion valve, high precision control;
5. Adopt Siemens PLC S7-200/300, LNEYA touch screen, automatic control, temperature curve display, temperature record U disk, fault alarm;
6. Offer machine installation and system test, users only need to finish the installation of refrigerant and cooling water.

Temperature Range-60°C~ -10°C
Cooling Capacity 
At -55°C
Circulation Pump Info6.6m³/h9m³/h15m³/h25m³/h25m³/h25m³/h//
 2.5bar max2.5bar max2.5bar max2.5bar max2.5bar max2.5bar max2.5bar max2.5bar max
Inlet&outlet connection sizeDN-25
Cooling Water at 30 degree8m³/h14m³/h25m³/h30m³/h35m³/h50m³/h90m³/h120m³/h
Expansion tank(standard)100L175L350L500L600L750L//
CompressorEmerson Scroll compressor,Carlyle;DorinCarlyle、HANBELL、Fusheng、Bitzer screw compressor
Operation Panel7-inch color touch screen display, temperature curve record
Control SystemSIEMENS S7 PLC&Module,Set temperature difference of refrigeration on & off
Closed Circulation SystemThe whole system is a full closed circulation, there is no oil mist at high temperature and no water vapor at low temperature, pressure do not rise up when system is running. The system will supplement oil automatically at low temperature
Circulation PumpLNEYA Mangetic Pump
EvaporatorPlate heat exchanger
CondenserCasing type water-cooled condenser / tube-type water-cooled condenser
Intermediate heat exchangerPlate heat exchanger
Refrigeration accessoryOil separators, drying filters, expansion valves, refrigeration solenoid valves, pressure control, mirrors, etc. all use Emerson / Danfoss and other brands
ElectricAC contactors, intermediate relays, circuit breakers, thermal relays, etc. are Schneider / ABB brand
Secondary refrigerantNo corrosive liquid, ethanol water, heat transfer oil etc.
Safety ProtectionHigh pressure protect; water supply cut-off protection; over-current protection; leakage protection; sequential and phase failure protection; High temperature protection; Sensor Failure protection; Liquid low level protection etc. multi-safety protection
Level IndicatorAdopt glass liquid level indication
Piping materialExpansion tank, cold storage tank and circulation pipeline are all made of SUS304
Case materialChannel steel + square tube + cold rolled plate        sealing plate spray 7035
Dimension cm100*150*185100*150*185250*145*225250*145*225350*160*245350*160*245500*200*260650*200*260
dBwithin 75dB  within 90 dB
Weight (kg)8501000145020002400300042005600
OptionalOptional outside touch screen display controller (separated), the communication line distance is 10 meter
OptionalOptional explosion-proof touch screen control system (ExdeIIBT4), the communication line distance is 15 meter


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